public function FileTypeForm::validateForm in File Entity (fieldable files) 8.2

Form validation handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormBase::validateForm

File

src/Form/FileTypeForm.php, line 93

Class

FileTypeForm

Form controller for file type forms.

Namespace

Drupal\file_entity\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  parent::validateForm($form, $form_state);
  $id = trim($form_state
    ->getValue('id'));

  // '0' is invalid, since elsewhere we check it using empty().
  if ($id == '0') {
    $form_state
      ->setError($form['id'], $this
      ->t("Invalid machine-readable name. Enter a name other than %invalid.", array(
      '%invalid' => $id,
    )));
  }
}